Heavy metal music fans dance during a performance at one of the smaller stages on the first day of the Wacken Open Air heavy metal music fest on August 4, 2011 in Wacken, Germany. Approximately 75,000 heavy metal fans from all over the world have descended on the north German village for the annual three-day fest. (Photo by Sean Gallup/Getty Images)

Heavy metal music fans take a “Scottish bath” before the first main performance on the first day of the Wacken Open Air heavy metal music fest on August 4, 2011 in Wacken, Germany. (Photo by Sean Gallup/Getty Images)

A fan lies passed out on the first day of the Wacken Open Air heavy metal music fest on August 4, 2011 in Wacken, Germany. (Photo by Sean Gallup/Getty Images)